R136a1
Star
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R136a1 is one of the most massive and luminous stars known, at nearly 200 M☉ and nearly 4.7 million L☉, and is also one of the hottest, at around 46,000 K. Wikipedia
Mass: 5.271 × 10^32 kg (265 M☉)
Surface temperature: 50,000 K
Radius: 13.049 million mi
Coordinates: RA 5h 38m 42s | Dec -69° 6′ 3″
Spectral type: WN5h
Luminosity: 150,000 L☉
Magnitude: 12.23